If x=2-y,then the value of x³+6xy+y³-8 is

Question

If x=2-y,then the value of x³+6xy+y³-8 is

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Claire 8 months 2021-09-23T13:01:12+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-09-23T13:02:37+00:00

    Answer:

    take it easy bro

    put the value of x on p(x)

    I m just giving hint

    hope it will help you

    0
    2021-09-23T13:02:56+00:00

    If x = 2 – y

    Then ,

    x³ + 6xy + y³ – 8 = 0

    ( 2 – y )³ + 6 ( 2 – y ) y + y³ – 8 = 0

    -y³ + 6y² – 12y + 8 – 6y² + 12y + y³ – 8 = 0

    0 = 0

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